79979025

素因数分解:

$3^1\times 5^2\times 7^3\times {\mathrm{3109}}^1$

素因数の和:3143

約数の個数: 48

約数和(自身を含む): 154256000

約数和(自身を除く): 74276975

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 147, 175, 245, 343, 525, 735, 1029, 1225, 1715, 3109, 3675, 5145, 8575, 9327, 15545, 21763, 25725, 46635, 65289, 77725, 108815, 152341, 233175, 326445, 457023, 544075, 761705, 1066387, 1632225, 2285115, 3199161, 3808525, 5331935, 11425575, 15995805, 26659675, 79979025]

約数ペア:

[(1, 79979025), (3, 26659675), (5, 15995805), (7, 11425575), (15, 5331935), (21, 3808525), (25, 3199161), (35, 2285115), (49, 1632225), (75, 1066387), (105, 761705), (147, 544075), (175, 457023), (245, 326445), (343, 233175), (525, 152341), (735, 108815), (1029, 77725), (1225, 65289), (1715, 46635), (3109, 25725), (3675, 21763), (5145, 15545), (8575, 9327)]